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<div class="title">b2VoronoiDiagram.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">* Copyright (c) 2013 Google, Inc.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">* This software is provided &#39;as-is&#39;, without any express or implied</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">* warranty.  In no event will the authors be held liable for any damages</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">* arising from the use of this software.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">* Permission is granted to anyone to use this software for any purpose,</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">* including commercial applications, and to alter it and redistribute it</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">* freely, subject to the following restrictions:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">* 1. The origin of this software must not be misrepresented; you must not</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">* claim that you wrote the original software. If you use this software</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">* in a product, an acknowledgment in the product documentation would be</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">* appreciated but is not required.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">* 2. Altered source versions must be plainly marked as such, and must not be</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">* misrepresented as being the original software.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">* 3. This notice may not be removed or altered from any source distribution.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#ifndef B2_VORONOI_DIAGRAM</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define B2_VORONOI_DIAGRAM</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;Box2D/Common/b2Math.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">class </span><a class="code" href="classb2_stack_allocator.html">b2StackAllocator</a>;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">struct </span><a class="code" href="structb2_a_a_b_b.html">b2AABB</a>;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="classb2_voronoi_diagram.html">   27</a></span>&#160;<span class="keyword">class </span><a class="code" href="classb2_voronoi_diagram.html">b2VoronoiDiagram</a></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;{</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <a class="code" href="classb2_voronoi_diagram.html">b2VoronoiDiagram</a>(<a class="code" href="classb2_stack_allocator.html">b2StackAllocator</a>* allocator, int32 generatorCapacity);</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    ~<a class="code" href="classb2_voronoi_diagram.html">b2VoronoiDiagram</a>();</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classb2_voronoi_diagram.html#a15c68762b1984fcd0d7b5a814d19e49b">AddGenerator</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html">b2Vec2</a>&amp; center, int32 tag, <span class="keywordtype">bool</span> necessary);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classb2_voronoi_diagram.html#affc5f0031e8283bb38fa0b59b5ed32d1">Generate</a>(float32 radius, float32 margin);</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classb2_voronoi_diagram_1_1_node_callback.html">   48</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classb2_voronoi_diagram_1_1_node_callback.html">NodeCallback</a></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classb2_voronoi_diagram_1_1_node_callback.html">NodeCallback</a>() {}</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classb2_voronoi_diagram_1_1_node_callback.html#ac5635af18d3aecf0baff77e057984c5e">operator()</a>(int32 a, int32 b, int32 c) = 0;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    };</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classb2_voronoi_diagram.html#ac941c83e66aa071bb813fb80bb9aacae">GetNodes</a>(<a class="code" href="classb2_voronoi_diagram_1_1_node_callback.html">NodeCallback</a>&amp; callback) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keyword">struct </span>Generator</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    {</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <a class="code" href="structb2_vec2.html">b2Vec2</a> center;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        int32 tag;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        <span class="keywordtype">bool</span> necessary;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    };</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keyword">struct </span>b2VoronoiDiagramTask</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    {</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        int32 m_x, m_y, m_i;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        Generator* m_generator;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        b2VoronoiDiagramTask() {}</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        b2VoronoiDiagramTask(int32 x, int32 y, int32 i, Generator* g)</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        {</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            m_x = x;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            m_y = y;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            m_i = i;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            m_generator = g;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    };</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <a class="code" href="classb2_stack_allocator.html">b2StackAllocator</a> *m_allocator;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    Generator* m_generatorBuffer;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    int32 m_generatorCapacity;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    int32 m_generatorCount;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    int32 m_countX, m_countY;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    Generator** m_diagram;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;};</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="classb2_voronoi_diagram_html_a15c68762b1984fcd0d7b5a814d19e49b"><div class="ttname"><a href="classb2_voronoi_diagram.html#a15c68762b1984fcd0d7b5a814d19e49b">b2VoronoiDiagram::AddGenerator</a></div><div class="ttdeci">void AddGenerator(const b2Vec2 &amp;center, int32 tag, bool necessary)</div><div class="ttdef"><b>Definition:</b> b2VoronoiDiagram.cpp:45</div></div>
<div class="ttc" id="classb2_stack_allocator_html"><div class="ttname"><a href="classb2_stack_allocator.html">b2StackAllocator</a></div><div class="ttdef"><b>Definition:</b> b2StackAllocator.h:37</div></div>
<div class="ttc" id="classb2_voronoi_diagram_1_1_node_callback_html_ac5635af18d3aecf0baff77e057984c5e"><div class="ttname"><a href="classb2_voronoi_diagram_1_1_node_callback.html#ac5635af18d3aecf0baff77e057984c5e">b2VoronoiDiagram::NodeCallback::operator()</a></div><div class="ttdeci">virtual void operator()(int32 a, int32 b, int32 c)=0</div><div class="ttdoc">Receive tags for generators associated with a node. </div></div>
<div class="ttc" id="classb2_voronoi_diagram_html"><div class="ttname"><a href="classb2_voronoi_diagram.html">b2VoronoiDiagram</a></div><div class="ttdoc">A field representing the nearest generator from each point. </div><div class="ttdef"><b>Definition:</b> b2VoronoiDiagram.h:27</div></div>
<div class="ttc" id="classb2_voronoi_diagram_1_1_node_callback_html"><div class="ttname"><a href="classb2_voronoi_diagram_1_1_node_callback.html">b2VoronoiDiagram::NodeCallback</a></div><div class="ttdoc">Callback used by GetNodes(). </div><div class="ttdef"><b>Definition:</b> b2VoronoiDiagram.h:48</div></div>
<div class="ttc" id="structb2_a_a_b_b_html"><div class="ttname"><a href="structb2_a_a_b_b.html">b2AABB</a></div><div class="ttdoc">An axis aligned bounding box. </div><div class="ttdef"><b>Definition:</b> b2Collision.h:162</div></div>
<div class="ttc" id="classb2_voronoi_diagram_html_affc5f0031e8283bb38fa0b59b5ed32d1"><div class="ttname"><a href="classb2_voronoi_diagram.html#affc5f0031e8283bb38fa0b59b5ed32d1">b2VoronoiDiagram::Generate</a></div><div class="ttdeci">void Generate(float32 radius, float32 margin)</div><div class="ttdef"><b>Definition:</b> b2VoronoiDiagram.cpp:55</div></div>
<div class="ttc" id="structb2_vec2_html"><div class="ttname"><a href="structb2_vec2.html">b2Vec2</a></div><div class="ttdoc">A 2D column vector. </div><div class="ttdef"><b>Definition:</b> b2Math.h:56</div></div>
<div class="ttc" id="classb2_voronoi_diagram_html_ac941c83e66aa071bb813fb80bb9aacae"><div class="ttname"><a href="classb2_voronoi_diagram.html#ac941c83e66aa071bb813fb80bb9aacae">b2VoronoiDiagram::GetNodes</a></div><div class="ttdeci">void GetNodes(NodeCallback &amp;callback) const </div><div class="ttdef"><b>Definition:</b> b2VoronoiDiagram.cpp:195</div></div>
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